Digestion

Question 1

Assimilation

Answer 1

Process by which living organisms integrate the nutrients from various external resources into the body and utilises them to satisfy the energy demand required to stay alive

Question 2

Adaptations of Ilium

Answer 2

Inner walls folded to form villi

Epithelial cells have tiny projections called microvilli

Contains muscle for peristalsis to move the food

Question 3

Parts of small intestine

Answer 3

Duodenum
Jejunum
Ileum

Question 4

Egestion

Answer 4

The process of passing out the remains of food that has not been digested, as faeces, through the anus

Question 5

Ingestion

Answer 5

the process of taking in food or drink into the body through the mouth, starting the digestive system.

Question 6

Absorption

Answer 6

the process by which small, soluble molecules from digested food are taken into the bloodstream through the walls of the small intestine.